#!/usr/bin/python3
# -*- coding: utf-8 -*-

from multiprocessing import Process  
import os  
  
# 子进程要执行的代码  
def run_proc(name):  
    print('Run child process %s (%s)...' % (name, os.getpid()))  
  
if __name__=='__main__':  
    print('Parent process %s.' % os.getpid())  
    p = Process(target = run_proc, args = ('test',))  
    print('Child process will start.')  
    p.start()  
    p.join()  
    print('Child process end.')
